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LP3954 Datasheet, PDF (17/60 Pages) National Semiconductor (TI) – Advanced Lighting Management Unit
LP3954
www.ti.com
SNVS340D – JUNE 2005 – REVISED MARCH 2013
100
LOG=0
80
LOG=1
60
40
20
0
000 001 010 011 100 101 110 111
R[2:0], G[2:0], B[2:0]
COMMAND EXECUTION TIME (CET) AND TRANSITION TIME (TT)
The command execution CET time is the duration of one single command. Command execution times CET are
defined as follows, when RT=82k:
CET [3:0]
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
CET duration, ms
197
393
590
786
983
1180
1376
1573
1769
1966
2163
2359
2556
2753
2949
3146
Transition time TT is duration of transition from the previous RGB value to programmed new value. Transition
times TT are defined as follows:
TT [2:0]
000
001
010
011
100
101
110
111
Transition time, ms
0
55
110
221
442
885
1770
3539
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